# 1.6 Indicator-on-indicator Your UDI automatically participates in the chart's ability to apply one indicator to another indicator (unless you turn this off using the noIOI setting). Another indicator – for example, a moving average – can be applied to any of the plots of your indicator. And, if your indicator has a Source field, then it can receive the values of another indicator rather than candle data such as close prices. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://sway-technologies.gitbook.io/sway-charts-pro-scripts-documentation/sway-charts-pro-user-defined-indicators/introduction/1.6-indicator-on-indicator.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.